[IronPython] InvalidProgramException exception with NUnit

Curt Hagenlocher curt at hagenlocher.org
Mon Sep 29 10:46:17 PDT 2008


Does it work correctly under NUnit if you disable shadow copying?

On Mon, Sep 29, 2008 at 10:41 AM, Fernando Correia <
fernandoacorreia at gmail.com> wrote:

> Dino, thanks for your support.
>
> The modified code still aborts under NUnit, so it is not related to
> the configuration. The program runs correctly outside NUnit, but
> raises an InvalidProgramException when executed as a unit test.
>
> I had a similar problem with a previous version of IronPython that
> disappeared in another release. Granted that NUnit must be doing
> something to the execution context, but it would really be a shame if
> code that uses IronPython could not be tested under NUnit.
>
> Please notice that until Beta 4 this kind of test was working. The
> exception started with Beta 5.
>
> Regards.
>
> using System;
> using System.Collections.Generic;
> using System.Diagnostics;
> using System.Text;
> using Microsoft.Scripting.Hosting;
> using Microsoft.Scripting;
> using IronPython.Hosting;
> using NUnit.Framework;
>
> namespace HelloDLRWorld
> {
>    [TestFixture]
>    public class DlrTest2
>    {
>        public static void Main(string[] args)
>        {
>            var test = new DlrTest2();
>            test.ImportTest();
>        }
>
>        [Test]
>        public void ImportTest()
>        {
>            ScriptRuntime runtime = Python.CreateRuntime();
>            runtime.LoadAssembly(typeof(System.Diagnostics.Debug).Assembly);
>            runtime.LoadAssembly(typeof(System.Double).Assembly);
>            ScriptEngine pyEng = runtime.GetEngine("IronPython");
>            ScriptSource source = pyEng.CreateScriptSourceFromString(@"
> import System.Diagnostics
> output='hello world from DLR/IronPython!'
> System.Diagnostics.Debug.WriteLine(output)
> ", SourceCodeKind.Statements);
>            ScriptScope scope = pyEng.CreateScope();
>            source.Execute(scope);
>            object outputMsg = scope.GetVariable("output");
>            Console.WriteLine(outputMsg.ToString());
>        }
>    }
> }
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